Home / 705,778.28-1,058,072.23-306,118

Finding the Fourth Proportional to 705,778.28, 1,058,072.23 and 306,118

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Solution

The fourth proportional to 705,778.28, 1,058,072.23 and 306,118 is: 458,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,778.28 : 1,058,072.23 = 306,118 : x
  2. Step 2: Convert to fraction form
    705,778.28/1,058,072.23 = 306,118/x
  3. Step 3: Cross multiply
    705,778.28x = 1,058,072.23 × 306,118
  4. Step 4: Simplify right side
    705,778.28x = 323,894,954,903.14
  5. Step 5: Solve for x
    x = 323,894,954,903.14/705,778.28
  6. Step 6: Final answer
    x = 458,918.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.